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High severity7.5NVD Advisory· Published Dec 29, 2020· Updated Jun 17, 2026

CVE-2020-5801

CVE-2020-5801

Description

An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Rockwellautomation/Factorytalk Linx2 versions
    cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*range: <=6.11
    • (no CPE)

Patches

Vulnerability mechanics

References

1

News mentions

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